DTC P0713: TFT Sensor Circuit Open Or DTC P1718: TFT Sensor Circuit High Temperature Input: Description
WARNING: This page is about a different car, the 2002 Mazda 626 and 2001 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0713 is set when PCM detects (after 2 drive cycles) TFT sensor circuit voltage greater than maximum acceptable voltage. DTC P1718 is set when PCM detects (after one drive cycle) TFT sensor circuit resistance is constantly high.